OT-2026-000004330
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, plant vacuum fed
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004330) never changes.
Identity and time
| Publication number | OT-2026-000004330 · never reused |
|---|---|
| Internal UUID | 01a0a914-37c3-7ebc-b86c-97916352da08 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:49.638094Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004330 |
| Status | PUBLIC |
Content hashes
| Canonical text | a6ce7ffa3cbd4ed99728e71b28ab496b0b6ff8b6f6e1e917eb9169c8e604c39b |
|---|---|
| Markdown | d51736c5f3abd1f603f21c657ed1fe1f2ef1be58d9d84f46b54a05227326bf30 |
| Publication page | ab9a55df4793cbca55b4950fa5c1054b63076f69b87b1be6d8b8f16f2c0c6fc5 |
| Manifest | 9efe90f5ffdf8cb057b78b1e6bf019860913873bd2271e3069844b5a86f47a57 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Y5EKitt5HDFinfkgtPEMyj7VvcS/D0RzyCGJh8oM4EMlmpDZ30/NMOZQ2oHe98oh2cq9Mk6WOEnsXJN81ds2CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:10.156375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004330observed ab9a55df4793cbca55b4950fa5c1054b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:10.142222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004330/manifest.jsonobserved 9efe90f5ffdf8cb057b78b1e6bf01986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:10.127953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004330/publication.mdobserved d51736c5f3abd1f603f21c657ed1fe1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:09.991029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004330/publication.txtobserved a6ce7ffa3cbd4ed99728e71b28ab496b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|